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发明名称
Improvements in constructional building toys
摘要
申请公布号
GB613767(A)
申请公布日期
1948.12.02
申请号
GB19460019705
申请日期
1946.07.02
申请人
CHARLES BIRD PLIMPTON
发明人
分类号
A63H33/04
主分类号
A63H33/04
代理机构
代理人
主权项
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